PreSonus Eris E4.5 Active Studio Monitors (pr) Features at a Glance:
Outstanding performance and value
4.5" woven composite woofer, 1" ultra-low-mass silk-dome tweeter
50-watt Class AB amplification (25 watts per speaker)
Balanced 1/4" TRS, unbalanced 1/8" TS, RCA, and bare-wire inputs
1/8" stereo headphone output
Acoustic Tuning controls let you flatten response for mixing accuracy
 
The PreSonus Eris E4.5: studio-monitor mojo at a "multimedia" price!
 
 
Tech Specs
 
Powered:Yes
Power Configuration:Single Amp
Quantity:Pair
LF Driver Size:4.5" Woofer
LF Driver Type:Woven Composite
HF Driver Size:1" Tweeter
HF Driver Type:Silk Dome
Total Power:50W Class AB (25W per speaker)
Frequency Response:70Hz-22kHz
Crossover Frequency:2.8kHz
Maximum Peak SPL:100 dB SPL @ 1m
Input Types:2 x 1/4", 1 x 1/8" (aux in), 1 x Dual RCA Stereo
Output Types:1 x 1/8" (headphones), Bare Wire strip (out to right speaker)
Features:Over temperature protection, RF interference protection, High/Low frequency boost/cut
Enclosure Type:Rear Ported
Enclosure Material:Vinyl-laminated MDF